This phase is concerned with rolling out the changes into
live operation in addition to mitigating any outstanding risks.

Once that has been done, there will be a <Time Period> in the process while those
changes bed-in and are utilised.

At some point in the future (perhaps after 6 months or 1
year), the metrics previously created are utilised to measure the benefits or
otherwise. From that, an Adjustment Plan may be created and agreement and
resources sought to execute it.